Remove unused widget handler overrides

fpdfsdk/cpdfsdk_baannothandler.cpp

Index: fpdfsdk/cpdfsdk_baannothandler.cpp
diff --git a/fpdfsdk/cpdfsdk_baannothandler.cpp b/fpdfsdk/cpdfsdk_baannothandler.cpp
index a9e24fb71ae4dbfa37aa61ae43ed1c7114f49b52..96fa5c607e3f143247d7e4817a0bc85486f33dc0 100644
--- a/fpdfsdk/cpdfsdk_baannothandler.cpp
+++ b/fpdfsdk/cpdfsdk_baannothandler.cpp
@@ -57,8 +57,6 @@ void CPDFSDK_BAAnnotHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot) {
   delete pAnnot;
 }
 
-void CPDFSDK_BAAnnotHandler::DeleteAnnot(CPDFSDK_Annot* pAnnot) {}
-
 void CPDFSDK_BAAnnotHandler::OnDraw(CPDFSDK_PageView* pPageView,
                                     CPDFSDK_Annot* pAnnot,
                                     CFX_RenderDevice* pDevice,
@@ -74,10 +72,6 @@ void CPDFSDK_BAAnnotHandler::OnDraw(CPDFSDK_PageView* pPageView,
   }
 }
 
-void CPDFSDK_BAAnnotHandler::OnDelete(CPDFSDK_Annot* pAnnot) {}
-
-void CPDFSDK_BAAnnotHandler::OnRelease(CPDFSDK_Annot* pAnnot) {}
-
 void CPDFSDK_BAAnnotHandler::OnMouseEnter(CPDFSDK_PageView* pPageView,
                                           CPDFSDK_Annot::ObservedPtr* pAnnot,
                                           uint32_t nFlag) {
@@ -173,12 +167,6 @@ FX_BOOL CPDFSDK_BAAnnotHandler::OnKeyUp(CPDFSDK_Annot* pAnnot,
   return FALSE;
 }
 
-void CPDFSDK_BAAnnotHandler::OnDeSelected(CPDFSDK_Annot* pAnnot) {}
-
-void CPDFSDK_BAAnnotHandler::OnSelected(CPDFSDK_Annot* pAnnot) {}
-
-void CPDFSDK_BAAnnotHandler::OnCreate(CPDFSDK_Annot* pAnnot) {}
-
 void CPDFSDK_BAAnnotHandler::OnLoad(CPDFSDK_Annot* pAnnot) {}
 
 FX_BOOL CPDFSDK_BAAnnotHandler::OnSetFocus(CPDFSDK_Annot::ObservedPtr* pAnnot,